I forgot to mention. The following article is very interesting also
http://support.microsoft.com/default.aspx?scid=kb;en-us;555040
Common Mistakes When Upgrading a Windows 2000 Domain To a Windows 2003
Domain
RE: [ActiveDir] OT:Upgrade from 2k to 2k3
Jorge de Almeida Pinto
Tue, 19 Apr 2005 09:52:07 -0700
Hi,
I just copied the text below from another thread I responded to yesterday.
See MS-KBQ325379 How to Upgrade Windows 2000 Domain Controllers to Windows
Server 2003 (http://support.microsoft.com/?id=325379) for all the details
you need to know about upgrading w2k to w2k3.
If you are considering in upgrading E2K to E2K3 see MS-KBQ822942
Considerations When You Upgrade to Exchange Server 2003
(http://support.microsoft.com/?id=822942)
About disconnecting the schema master when doing the schema upgrade see
MS-KQ821076 Windows Server 2003 Help Files Contain Incorrect Information
About How to Update a Windows 2000 Domain
(http://support.microsoft.com/default.aspx?scid=kb;en-us;821076)
I once read what the issue was when disconnecting the schema master from the
network, but I don't remember anymore. Maybe someone else on this list can
share info on the particular issue.
The main reason to disconnect the schema master is if the schema upgrade
goes wrong for some reason do don't screw up your forest and so you don't
need to do a forest recovery to revert to the last uncorrupt schema.
One other way to mitigate this risk could be to:
* Do a FULL backup of the schema master
* disable OUTBOUND replication for the SCHEMA MASTER FSMO first (REPADMIN
/OPTIONS FQDN DC +DISABLE_OUTBOUND_REPL)
* verify that outbound replication is disabled with REPLMON
* upgrade the schema (after meeting ALL prerequisites mentioned in
MS-KBQ325379!!!)
* check the event viewer for errors
* And IF everything is OK enable replication (REPADMIN /OPTIONS FQDN DC
-DISABLE_OUTBOUND_REPL)
When replication is enabled again on the schema master fsmo all directory
changes concerning AD objects will be halted because replication partners
see the schema has been changed (the DC performs a check to see if the
schema version has changed). The normal changes will only replicate after
the schema update has replicated
Ohh, and by the way: TEST FIRST IN A TEST ENVIRONMENT TO GET FAMILIAR WITH
THE PROCEDURE AND TO SEE WHAT HAPPENS!!!
Cheers
Jorge
-Original Message-
From: [EMAIL PROTECTED]
To: ActiveDir@mail.activedir.org
Sent: 4/19/2005 5:27 PM
Subject: [ActiveDir] OT:Upgrade from 2k to 2k3
Hi,
I'm just looking to upgrade our domain controllers from 2k to
2k3. I actually have a 2k with exchange 2k that need to be upgraded to
2k3 and Exchange 2k3.
Should I upgrade the exchange system before doing the DCs?
Anyone have any docs with pros and cons? What is better or would cause
fewer troubles.
Thanks!
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